Architecture might be more sportive and varied if every man built his own house, but it would not be the art and science that we have made it; and while every woman prepares food for her own family, cooking can never rise beyond the level of the amateur's work.
Audiences are always better pleased with a smart retort, some joke or epigram, than with any amount of reasoning.
To speak broadly, the troubles of life as we find them are mainly traceable to the heart or the purse.